Stackable step



FIG. 1 is a side view of the stackable step in accordance with the invention.

FIG. 2 is a top view of the stackable step in accordance with the invention.

FIG. 3 is a bottom plan view of the stackable step in accordance with the invention.

FIG. 4 is an end view of the stackable step in accordance with the invention.

FIG. 5 is a cross-sectional view taken at 5--5 of FIG. 4; and,

FIG. 6 is a cross-sectional view taken at 6--6 of FIG. 1. 

I claim the ornamental design for a stackable step, as shown and described. 